3v4l.org

run code in 300+ PHP versions simultaneously
<?php $salt = ''; $iteration = 16; for ($x = 0; $x < $iteration; $x++) { $switch = rand(0, 2); switch ($switch) { case 0: $salt .= strval(rand(0, 9)); break; case 1: $salt .= chr(rand(65, 90)); break; case 2; $salt .= chr(rand(97, 122)); break; } } echo $salt;

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.2.00.0060.00919.61
7.1.70.0000.00917.20
7.1.60.0040.02119.82
7.1.50.0100.01016.68
7.1.00.0000.08022.46
7.0.200.0070.00316.81
7.0.140.0000.08022.00
7.0.100.0230.08020.00
7.0.90.0200.07020.00
7.0.80.0170.07719.89
7.0.70.0430.05020.03
7.0.60.0300.08720.03
7.0.50.0130.07720.35
7.0.40.0030.09020.09
7.0.30.0030.06020.14
7.0.20.0400.03720.04
7.0.10.0030.07020.08
7.0.00.0100.08320.14
5.6.280.0070.07020.81
5.6.250.0170.07320.81
5.6.240.0100.07720.72
5.6.230.0100.04720.74
5.6.220.0070.07320.52
5.6.210.0100.07320.48
5.6.200.0130.08021.04
5.6.190.0100.07321.10
5.6.180.0130.08020.95
5.6.170.0100.07021.02
5.6.160.0130.05020.95
5.6.150.0170.04721.13
5.6.140.0170.08021.05
5.6.130.0130.06321.09
5.6.120.0130.05720.95
5.6.110.0100.07321.09
5.6.100.0030.08720.97
5.6.90.0070.08321.08
5.6.80.0070.06720.41
5.6.70.0030.08720.48
5.6.60.0100.05320.32
5.6.50.0100.08020.34
5.6.40.0100.07320.38
5.6.30.0130.06020.29
5.6.20.0130.04720.30
5.6.10.0100.06320.35
5.6.00.0100.06020.37
5.5.380.0200.07020.39
5.5.370.0070.08020.46
5.5.360.0230.07020.36
5.5.350.0030.04720.42
5.5.340.0170.06320.91
5.5.330.0100.09020.79
5.5.320.0100.07720.74
5.5.310.0130.08320.92
5.5.300.0070.08020.88
5.5.290.0130.07020.76
5.5.280.0000.08320.82
5.5.270.0070.08720.91
5.5.260.0100.07020.73
5.5.250.0170.07020.52
5.5.240.0100.07020.25
5.5.230.0170.06720.27
5.5.220.0070.06020.29
5.5.210.0030.07320.30
5.5.200.0070.04320.12
5.5.190.0000.08320.18
5.5.180.0100.07720.23
5.5.160.0070.08020.08
5.5.150.0070.07020.10
5.5.140.0170.07720.07
5.5.130.0130.05020.14
5.5.120.0170.07020.14
5.5.110.0070.05719.95
5.5.100.0070.07320.16
5.5.90.0100.05720.06
5.5.80.0170.05720.20
5.5.70.0100.07320.09
5.5.60.0170.06020.05
5.5.50.0100.07720.05
5.5.40.0070.06019.93
5.5.30.0070.07020.10
5.5.20.0100.08020.09
5.5.10.0130.06320.03
5.5.00.0030.08020.04
5.4.450.0070.04319.38
5.4.440.0100.08719.42
5.4.430.0000.05019.47
5.4.420.0070.06019.41
5.4.410.0130.05019.13
5.4.400.0070.07319.04
5.4.390.0070.07719.23
5.4.380.0100.05318.98
5.4.370.0000.07719.04
5.4.360.0170.06018.79
5.4.350.0030.07719.06
5.4.340.0100.06319.03
5.4.320.0030.06718.96
5.4.310.0100.05718.94
5.4.300.0070.06319.14
5.4.290.0070.04318.96
5.4.280.0100.04019.23
5.4.270.0100.04718.98
5.4.260.0000.07018.96
5.4.250.0130.06718.93
5.4.240.0000.04318.92
5.4.230.0070.04719.13
5.4.220.0130.06319.06
5.4.210.0000.06019.02
5.4.200.0070.07718.80
5.4.190.0000.06719.11
5.4.180.0130.06719.21
5.4.170.0170.07019.05
5.4.160.0070.03719.09
5.4.150.0070.05719.05
5.4.140.0070.06316.39
5.4.130.0030.04716.37
5.4.120.0070.07016.38
5.4.110.0000.05316.43
5.4.100.0030.04716.22
5.4.90.0070.05716.43
5.4.80.0070.07316.25
5.4.70.0200.06016.19
5.4.60.0030.06316.36
5.4.50.0070.07316.32
5.4.40.0070.07016.36
5.4.30.0130.06316.33
5.4.20.0070.06716.23
5.4.10.0070.06716.27
5.4.00.0100.06715.57
5.3.290.0070.07014.66
5.3.280.0100.03314.58
5.3.270.0100.05014.59
5.3.260.0000.04714.60
5.3.250.0030.07714.60
5.3.240.0070.04314.57
5.3.230.0070.07014.56
5.3.220.0030.07714.53
5.3.210.0030.07014.55
5.3.200.0070.08314.53
5.3.190.0100.06014.57
5.3.180.0100.04314.54
5.3.170.0030.08014.50
5.3.160.0170.06314.57
5.3.150.0030.06014.57
5.3.140.0070.06014.39
5.3.130.0030.07314.53
5.3.120.0030.06714.54
5.3.110.0070.08014.55
5.3.100.0030.04014.01
5.3.90.0000.04313.96
5.3.80.0100.03314.01
5.3.70.0100.03013.86
5.3.60.0130.02713.93
5.3.50.0030.03713.89
5.3.40.0000.04013.80
5.3.30.0070.03313.73
5.3.20.0030.03713.70
5.3.10.0030.03313.63
5.3.00.0030.03713.63
5.2.170.0000.03311.10
5.2.160.0070.02711.00
5.2.150.0000.03311.16
5.2.140.0070.02311.12
5.2.130.0000.03311.09
5.2.120.0000.02711.05
5.2.110.0030.02711.12
5.2.100.0070.02011.05
5.2.90.0000.02710.93
5.2.80.0030.02711.10
5.2.70.0000.03011.09
5.2.60.0070.03011.05
5.2.50.0000.03011.05
5.2.40.0030.03311.07
5.2.30.0030.03010.97
5.2.20.0030.02710.88
5.2.10.0000.07010.84
5.2.00.0030.02710.77
5.1.60.0030.02310.09
5.1.50.0000.02710.06
5.1.40.0070.0209.96
5.1.30.0100.01710.19
5.1.20.0030.02310.36
5.1.10.0030.02010.14
5.1.00.0000.03010.08
5.0.50.0030.0178.57
5.0.40.0030.0208.56
5.0.30.0000.0278.56
5.0.20.0000.0238.56
5.0.10.0000.0208.56
5.0.00.0030.0278.56
4.4.90.0030.0208.56
4.4.80.0030.0138.56
4.4.70.0000.0178.56
4.4.60.0000.0178.56
4.4.50.0070.0138.56
4.4.40.0000.0338.56
4.4.30.0000.0138.56
4.4.20.0030.0108.56
4.4.10.0000.0138.56
4.4.00.0000.0278.56
4.3.110.0000.0178.56
4.3.100.0000.0178.56
4.3.90.0000.0138.56
4.3.80.0070.0178.56
4.3.70.0030.0138.56
4.3.60.0000.0138.56
4.3.50.0000.0178.56
4.3.40.0000.0238.56
4.3.30.0000.0178.56
4.3.20.0000.0138.56
4.3.10.0000.0208.56
4.3.00.0000.0138.56

preferences:
36.88 ms | 401 KiB | 5 Q